2087617 has 16 divisors (see below), whose sum is σ = 2581632. Its totient is φ = 1647360.

The previous prime is 2087593. The next prime is 2087627. The reversal of 2087617 is 7167802.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2087617 - 2⁷ = 2087489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6142 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (161352).

2^2087617 is an apocalyptic number.

It is an amenable number.

2087617 is a deficient number, since it is larger than the sum of its proper divisors (494015).

2087617 is a wasteful number, since it uses less digits than its factorization.

2087617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 2087617 is about 1444.8588166323. The cubic root of 2087617 is about 127.8057151824.

It can be divided in two parts, 2087 and 617, that added together give a square (2704 = 52²).

The spelling of 2087617 in words is "two million, eighty-seven thousand, six hundred seventeen".